bo.rit denotes a cleansing substance used in washing and compared with a refiner's fire.

The two attestations present a cleansing substance: in Jeremiah 2:22 it is used in washing, while in Malachi 3:2 it stands in a comparison alongside a refiner's fire.

1. Cleansing substance in washing and refining imagery · dominant

   Both occurrences use the feminine singular absolute noun in cleansing contexts. In Jeremiah 2:22 the APB renders the clause “Though you wash with lye and multiply soap for yourself,” while in Malachi 3:2 it compares the coming figure to “a refiner's fire” and “the lye of fullers.”

   Jeremiah 2:22Malachi 3:2

In the Anselm Project Bible: The APB presents the term as “lye” in both verses, once in washing and once in the comparison “the lye of fullers.” The term's precise English correspondence remains contextual.